Plagiarism Checker icon

Plagiarism Checker

by Plagiarisma · plagiarisma.net · Tools
FeaturedEstablished publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Plagiarisma is the world famous plagiarism checker for scholars, students, teachers, writers.

Users
10K
0 in 30 days
Rating
3.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#9,881
#8,546 among extensions
Version
1.2
updated 12 Aug 2026

Users

monthly, 3 years
6005,30010KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 10,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
012Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Plagiarism Checker

Plagiarism Checker — Fast, Accurate & Reliable Content Verification Ensure your content is 100% original with the ultimate Plagiarism Checker extension for Google Chrome. Designed for students, academics, teachers, writers, and SEO professionals, this tool allows you to instantly detect duplicate content and verify text originality directly from your browser. Key Features: One-Click Text Check: Select any text on any webpage, right-click, or use the extension pop-up to run an instant plagiarism scan. Deep Content Analysis: Advanced algorithms search and compare text across billions of web pages and online documents to deliver precise results. Instant Originality Reports: Get immediate results showing matched sources, percentage of unique text, and highlighted duplicate passages. Multi-Language Support: Check plagiarism across various languages and international sources effortlessly. Privacy Focused: Your submitted text and documents are scanned securely and never published or shared with third parties. Who Is It For? Students & Researchers: Verify essays, academic papers, and assignments before submitting. Teachers & Educators: Quickly check student submissions for authenticity and proper citation. Content Creators & Copywriters: Ensure blog posts, articles, and marketing copy are unique and ready for publishing. SEO Specialists: Protect your site from duplicate content penalties and verify outsourced articles. Install Plagiarism Checker today to save time, protect your reputation, and guarantee content originality in just a few clicks! ========================================================= How to use it: Log in https://plagiarisma.net/login.php or register https://plagiarisma.net/register.php a new account. Grab an API key from members area and authorize your extension. Select any text on any website. Push the extension icon and click the "Check Plagiarism" button. Wait for results.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months+1,000+11.1%00.00
1 year+1,000+11.1%+1+2.00

Version history

3 versions recorded
1.230 Jul 2024
1.129 Dec 2022
1.08 Dec 2022

Details

Category
Tools
First seen
8 Dec 2022
Size
57 KB
Languages
de, en, nl, vi, tr, da, es, fr
Pricing
Free
Privacy policy
plagiarisma.net
Extension ID
bfokbpkmneijnfgpkfajjgckoeffbcgb

Permissions and risk

Moderate riskimpact 3, likelihood 1
Permissions
tabsstoragescripting
Site access
<all_urls>
Can read and change data on every website you visit.

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